package com.andnnl.random;

import cn.hutool.core.io.FileUtil;
import cn.hutool.core.util.RandomUtil;

import java.util.HashSet;
import java.util.Set;

/**
 * Created by chenss on 2019/12/18.
 */
public class RandomRow {

    public static void main(String[] args) {
        long t1=System.currentTimeMillis();
//        int[] a=randomNumber(0,1000000,100000);
//        int[] a=randomSet(0,1000000,100000);
//        RandomUtil.

        long t2=System.currentTimeMillis();
        System.out.println("time:"+(t2-t1));
//        Arrays.sort(a, Collections.reverseOrder());//倒序
//        for (int i : a) {
//            System.out.println(i);
//        }
    }
}
